221497767

素因数分解:

$3^3\times {\mathrm{389}}^1\times {\mathrm{21089}}^1$

素因数の和:21487

約数の個数: 16

約数和(自身を含む): 329004000

約数和(自身を除く): 107506233

約数列:

[1, 3, 9, 27, 389, 1167, 3501, 10503, 21089, 63267, 189801, 569403, 8203621, 24610863, 73832589, 221497767]

約数ペア:

[(1, 221497767), (3, 73832589), (9, 24610863), (27, 8203621), (389, 569403), (1167, 189801), (3501, 63267), (10503, 21089)]